How to connect CentOS 6.3 CLI server to wireless LAN?

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http://serverfault.com – I'm migrating from an openSUSE (12.x) CLI home office server to CentOS 6.3. I can install the CLI CentOS 6.3 fine, but then how do I connect that to my home wifi? There is a "Configure network" button during the anaconda graphical install, and it has options for wifi, but even setting the wifi here results in no connection when the install finishes and I log into the CLI. openSUSE has Yast (even for CLI!) where you could configure anything and everything. I see a few system-config-* type commands on CentOS but nothing where I input my wifi SSID and passkey. Does anybody know which files I (HowTos)